CN109437392A - A kind of circulation static bed biomembrane reactor with elastic filler - Google Patents
A kind of circulation static bed biomembrane reactor with elastic filler Download PDFInfo
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- CN109437392A CN109437392A CN201811406102.8A CN201811406102A CN109437392A CN 109437392 A CN109437392 A CN 109437392A CN 201811406102 A CN201811406102 A CN 201811406102A CN 109437392 A CN109437392 A CN 109437392A
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- reactor
- elastic filler
- water flow
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- static bed
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
- C02F3/105—Characterized by the chemical composition
- C02F3/108—Immobilising gels, polymers or the like
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
- C02F3/109—Characterized by the shape
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/14—NH3-N
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a kind of circulation static bed biomembrane reactor with elastic filler, belong to technical field of sewage, reactor is cylindrical shape, device uses annular space gas lift structure, and under the action of aerator, gas-liquid mixed stream enters water flow rising area, flow through the elastic filler on axial cord, on the one hand aeration in reactor provides oxygen required for degradation of substrates, on the other hand improve the flow regime of liquid, enhance mass transfer；Gas-liquid mixed stream enters in cloth pond by overflow plate, it is uniformly trickled down by water-distribution nozzle on the filler dropped in area under a stream of water, the elastic filler flowed through on axial cord under gravity is discharged to bottom via outlet pipe, apparatus of the present invention integrate static bed biomembrane reactor and circulation flow reactor structure, occupied area is smaller, and structure is simple, easy to operate, treatment effect is more preferably more stable, is suitable for promoting the use of.
Description
Technical field
The present invention relates to technical field of sewage, and in particular to a kind of circulation static bed biomembrane with elastic filler
Reactor.
Background technique:
Biofilm and activated sludge process are arranged side by side, are most ancient one of water treatment technologies.Biofilm reactor is exactly benefit
It purified with the metabolic activity of the microorganism in the biomembrane for being attached to filler surface, remove pollutant, be domestic and international at present
A kind of widely used high-efficiency sewage processing technique.Biofilm have effluent quality is good, occupied area is small, operating cost compared with
Low advantage, typical case have biological rotating disk, biofilter, static bed biomembrane reactor.
It is mainly to handle medium that static bed biomembrane reactor, which is with granular filler and the thereon microbial film of apposition growth,
The device for allowing fluid to be reacted by the bed that fixed solid material is formed by.
Circulation flow reactor is one kind efficient solution-air, liquid-solid or gas-to grow up on the basis of bubbling reactor
Liquid-solid heterophase reactor.Compared with bubbling reactor, structure is simple, and hydrodynamic performance is good, and gas-liquid contact time is longer,
Total gas holdup is larger, is easy to engineering amplification, and efficiency is higher and energy consumption is smaller, has in chemical engineering and other related fieldss extensively
Application.
Present static bed biomembrane reactor and circulation flow reactor has the following problems when handling sewage:
(1) when bed resistance is big, densification and clogging are also easy to produce: especially when biologic packing material particle is smaller, sewage
Hole is easily blocked when flowing through.
(2) be also easy to produce channeling: when being unevenly distributed due to radial flow speed, fluid opens the logical of a resistance very little
Road is passed through with the extremely short residence time, significantly reduces treatment effeciency.
(3) biologic packing material difficulty is cleaned: for traditional static bed biomembrane reactor since filler position is fixed, device disassembly is clear
Wash be inconvenient to there are biologic packing material clean not in time, halfway problem.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the defect of the prior art, provide filler filling mode more rationally, account for
Ground area is small, be not susceptible to channel, biomembrane easy cleaning, treatment effect efficient stable, easy to operate one kind are filled out with elasticity
The circulation static bed biomembrane reactor of material.
A kind of circulation static bed biomembrane reactor with elastic filler, including shell of reactor, elastic filler, center
Rope, overflow plate, water-distribution nozzle and cloth pond, the reactor include water flow rising area and water flow descending area, the water flow decline
Area and water flow rising area are separated by overflow plate, and running through inside the water flow rising area and water flow descending area has axial cord, institute
The top that cloth pond is set to water flow descending area is stated, the water-distribution nozzle is set in cloth pond, and the elastic filler is attached to center
On rope, the bottom of the water flow rising area is equipped with aerator, and the bottom of the water flow descending area is equipped with outlet pipe.
Preferably, the elastic filament of the elastic filler is high molecular polymer, and antioxidant, hydrophilic agent, stabilization is added
Elastic yarn is uniformly embedded on it by the additive materials such as agent and adsorbent by axial cord, and filler radially distributes.
Preferably, the axial cord of the water flow rising area is equally distributed at overflow plate and reactor shell center；It is described
The axial cord of water flow descending area is equally distributed in the cylinder that overflow plate surrounds.
Preferably, the aerator is in " rich " font spaced set, and is connected with extraneous blower.
Preferably, the water-distribution nozzle spray area can cover all fillers of water flow descending area.
Preferably, the shell of reactor height and bottom surface circular diameter ratio are 1.5-2.
Preferably, the cloth pool volume should be the 1/5-1/3 of flow of inlet water.
Preferably, the water flow descending area and water flow rising area volumetric ratio should be 1/3-1/2.
Preferably, the elastic filler should cover the volume of 1/2-2/3 in reactor.
Preferably, the elastic filler should be not less than the 1/8 of overflow plate overall length away from overflow plate top distance；Away from overflow plate bottom
The distance at end should be not less than the 1/8 of overflow plate overall length.
The present invention has the advantages that the elastic filament that (1) is formed by being embedded in high molecular polymer on axial cord, rationally
Solid matter biologic packing material avoids that filler clogging occurs；
(2) structure for using annular space gas lift makes uniform fluid flow by filling out in water flow rising area by the effect of aerator
Material, dropping area under a stream of water is distributed in uniform filling on filler by cloth pond and water-distribution nozzle, to avoid sending out between filler
Raw channeling, reduces treatment effeciency；
(3) gas that aerator generates effectively washes away the biomembrane on the filler of water flow rising area, water flow decline
Area is rinsed filler by water flow gravity, and the biomembrane of aging can voluntarily fall off, the biomembrane energy of filler surface
It is enough to keep activity；
(4) on the one hand the aeration in reactor provides oxygen required for degradation of substrates, on the other hand improves liquid
Flow regime enhances mass transfer.
Detailed description of the invention
Fig. 1 is master device figure of the invention.
Fig. 2 is the layout drawing of axial cord in the device in the present invention.
Fig. 3 is insertion figure of the elastic filler on axial cord in the present invention.
Wherein: 1- water inlet pipe, 2- elastic filler, 3- axial cord, 4- overflow plate, 5- water-distribution nozzle, 6- cloth pond, 7- wind
Machine, 8- outlet pipe, 9- water flow descending area, 10- water flow rising area.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
As shown in Figure 1 to Figure 3, a kind of circulation static bed biomembrane reactor with elastic filler, including outside reactor
Shell, elastic filler 2, axial cord 3, overflow plate 4, water-distribution nozzle 5 and cloth pond 6, the reactor include 10 He of water flow rising area
Water flow descending area 9, the water flow descending area 9 are separated with water flow rising area 10 by overflow plate 4, the water flow rising area 10 and water
Through there is axial cord 3 inside stream descending area 9, the cloth pond 6 is set to the top of water flow descending area 9, and the water-distribution nozzle 5 is set
In cloth pond 6, the elastic filler 2 is attached on axial cord 3, and the bottom of the water flow rising area 10 is equipped with aerator 1,
The bottom of the water flow descending area 9 is equipped with outlet pipe 8.
It is worth noting that, the elastic filament of the elastic filler 2 is high molecular polymer, and antioxidant, hydrophilic is added
Elastic yarn is uniformly embedded on it by the additive materials such as agent, stabilizer and adsorbent by axial cord 3, and filler is in radiation
Shape distribution.
In the present embodiment, the axial cord 3 of the water flow rising area 10 is equally distributed in overflow plate 4 and reactor shell
At the heart；The axial cord 3 of the water flow descending area 9 is equally distributed in the cylinder that overflow plate 4 surrounds.
In the present embodiment, the aerator 1 is in " rich " font spaced set, and is connected with extraneous blower 7.
In the present embodiment, 5 spray area of water-distribution nozzle can cover all fillers of water flow descending area 10.
In the present embodiment, the shell of reactor height and bottom surface circular diameter ratio are 1.5-2.
In the present embodiment, 6 volume of cloth pond should be the 1/5-1/3 of flow of inlet water.
In the present embodiment, the water flow descending area 9 and 10 volumetric ratio of water flow rising area should be 1/3-1/2.
In the present embodiment, the elastic filler 2 should cover the volume of 1/2-2/3 in reactor.
In the present embodiment, the elastic filler 2 should be not less than the 1/8 of overflow plate overall length away from 4 top distance of overflow plate；Away from
The distance of 4 bottom end of overflow plate should be not less than the 1/8 of 4 overall length of overflow plate.
Based on above-mentioned, reactor uses annular space gas lift structure, fills sewage with elastic filler by air blower and cloth pond
Tap touching, while avoiding clogging or the channel generated because radial flow speed is unevenly distributed caused by filler is excessively fine and closely woven
Phenomenon substantially increases the treatment effect of sewage and the stability of reactor operation.
Apparatus of the present invention workflow: after debugging biofilm success, the life's work stage, respectively in water inlet of the invention
It is sampled with water outlet, each mouth respectively takes sample three times, every other day takes a water sample, and apparatus of the present invention continuous service terminates after 6 days
Sampling.Both common indexs of COD, ammonia nitrogen are chosen as representing, embodiment shows that a kind of circulation with elastic filler is solid
Fixed bed biofilm reactor is respectively 95.85%, 93.93%, 92.69% to COD average removal rate in medium-small flow sewage,
91.29%, 94.05%, 92.65%, ammonia nitrogen average removal rate is 98.9%, 96.89%, 96.47%, 97.22%,
96.36%, 96.67%, and repeated in experiment continuous, removal efficiency fluctuation is little, effect stability.
As known by the technical knowledge, the present invention can pass through the embodiment party of other essence without departing from its spirit or essential feature
Case is realized.Therefore, embodiment disclosed above, in all respects are merely illustrative, not the only.Institute
Have within the scope of the present invention or is included in the invention in the change being equal in the scope of the present invention.
Claims (10)
1. a kind of circulation static bed biomembrane reactor with elastic filler, including shell of reactor, elastic filler (2), in
Heart rope (3), overflow plate (4), water-distribution nozzle (5) and cloth pond (6), which is characterized in that the reactor includes water flow rising area
(10) separated with water flow descending area (9), the water flow descending area (9) and water flow rising area (10) by overflow plate (4), the water
Stream rising area (10) and water flow descending area (9) are internal through having axial cord (3), and the cloth pond (6) is set to water flow descending area
(9) top, the water-distribution nozzle (5) are set in cloth pond (6), and the elastic filler (2) is attached on axial cord (3), institute
The bottom for stating water flow rising area (10) is equipped with aerator (1), and the bottom of the water flow descending area (10) is equipped with outlet pipe (8).
2. a kind of circulation static bed biomembrane reactor with elastic filler according to claim 1, it is characterised in that:
The elastic filament of the elastic filler (2) is high molecular polymer, and antioxidant, hydrophilic agent, stabilizer and adsorbent is added etc.
Elastic yarn is uniformly embedded on it by additive material by axial cord (3), and filler radially distributes.
3. a kind of circulation static bed biomembrane reactor with elastic filler according to claim 1, it is characterised in that:
The axial cord (3) of the water flow rising area (10) is equally distributed at overflow plate (4) and reactor shell center；Under the water flow
The axial cord (3) of drop area (9) is equally distributed in the cylinder that overflow plate (4) surrounds.
4. a kind of circulation static bed biomembrane reactor with elastic filler according to claim 1, it is characterised in that:
The aerator (1) is in " rich " font spaced set, and is connected with extraneous blower (7).
5. a kind of circulation static bed biomembrane reactor with elastic filler according to claim 1, it is characterised in that:
Water-distribution nozzle (5) spray area can cover water flow descending area (9) all fillers.
6. a kind of circulation static bed biomembrane reactor with elastic filler according to claim 1, it is characterised in that:
The shell of reactor height and bottom surface circular diameter ratio are 1.5-2.
7. a kind of circulation static bed biomembrane reactor with elastic filler according to claim 1, it is characterised in that:
Cloth pond (6) volume should be the 1/5-1/3 of flow of inlet water.
8. a kind of circulation static bed biomembrane reactor with elastic filler according to claim 1, it is characterised in that:
The water flow descending area (9) and water flow rising area (10) volumetric ratio should be 1/3-1/2.
9. a kind of circulation static bed biomembrane reactor with elastic filler according to claim 1, it is characterised in that:
The elastic filler (2) should cover the volume of 1/2-2/3 in reactor.
10. a kind of circulation static bed biomembrane reactor with elastic filler according to claim 1, feature exist
In: the elastic filler (2) should be not less than the 1/8 of overflow plate overall length away from overflow plate (4) top distance；Away from overflow plate (4) bottom end
Distance should be not less than overflow plate (4) overall length 1/8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811406102.8A CN109437392A (en) | 2018-11-23 | 2018-11-23 | A kind of circulation static bed biomembrane reactor with elastic filler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811406102.8A CN109437392A (en) | 2018-11-23 | 2018-11-23 | A kind of circulation static bed biomembrane reactor with elastic filler |
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| CN109437392A true CN109437392A (en) | 2019-03-08 |
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| CN201811406102.8A Pending CN109437392A (en) | 2018-11-23 | 2018-11-23 | A kind of circulation static bed biomembrane reactor with elastic filler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111995051A (en) * | 2020-08-03 | 2020-11-27 | 河海大学 | Integrated bio-membrane reactor |
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|---|---|---|---|---|
| WO1996003351A1 (en) * | 1994-07-21 | 1996-02-08 | Knud Peter Brockdorff | A reactor for use in water treatment and micro film carriers for use in connection with said treatment as well as a method for operating the reactor |
| US20070163954A1 (en) * | 2004-01-06 | 2007-07-19 | Badreddine Hassan H | Waste water treatment plant and method |
| CN203639230U (en) * | 2013-12-25 | 2014-06-11 | 徐州工程学院 | Air-lift inner circulation combined filler bioreactor |
| CN104817173A (en) * | 2015-03-27 | 2015-08-05 | 杭州师范大学 | Two-stage double-flow autotrophic denitrification biofilter |
| CN105152301A (en) * | 2015-09-17 | 2015-12-16 | 天津工业大学 | Fenton fluidized reactor capable of restricting loading packing areas |
| CN205222791U (en) * | 2015-12-16 | 2016-05-11 | 徐州工程学院 | Novel biological contact fluidized bed sewage treatment device |
-
2018
- 2018-11-23 CN CN201811406102.8A patent/CN109437392A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996003351A1 (en) * | 1994-07-21 | 1996-02-08 | Knud Peter Brockdorff | A reactor for use in water treatment and micro film carriers for use in connection with said treatment as well as a method for operating the reactor |
| US20070163954A1 (en) * | 2004-01-06 | 2007-07-19 | Badreddine Hassan H | Waste water treatment plant and method |
| CN203639230U (en) * | 2013-12-25 | 2014-06-11 | 徐州工程学院 | Air-lift inner circulation combined filler bioreactor |
| CN104817173A (en) * | 2015-03-27 | 2015-08-05 | 杭州师范大学 | Two-stage double-flow autotrophic denitrification biofilter |
| CN105152301A (en) * | 2015-09-17 | 2015-12-16 | 天津工业大学 | Fenton fluidized reactor capable of restricting loading packing areas |
| CN205222791U (en) * | 2015-12-16 | 2016-05-11 | 徐州工程学院 | Novel biological contact fluidized bed sewage treatment device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111995051A (en) * | 2020-08-03 | 2020-11-27 | 河海大学 | Integrated bio-membrane reactor |
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Application publication date: 20190308 |
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